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[c-host] renamed finall to just plain host

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Geoffrey McRae
2020-05-25 13:42:43 +10:00
parent d579705b10
commit bc7871f630
34 changed files with 2 additions and 2 deletions
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104
host/platform/Windows/src/mousehook.c Normal file
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/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "windows/mousehook.h"
#include "common/windebug.h"
#include "platform.h"
#include <windows.h>
#include <stdbool.h>
struct mouseHook
{
bool installed;
HHOOK hook;
MouseHookFn callback;
int x, y;
};
static struct mouseHook mouseHook = { 0 };
// forwards
static LRESULT WINAPI mouseHook_hook(int nCode, WPARAM wParam, LPARAM lParam);
static LRESULT msg_callback(WPARAM wParam, LPARAM lParam);
void mouseHook_install(MouseHookFn callback)
{
struct MSG_CALL_FUNCTION cf;
cf.fn = msg_callback;
cf.wParam = 1;
cf.lParam = (LPARAM)callback;
sendAppMessage(WM_CALL_FUNCTION, 0, (LPARAM)&cf);
}
void mouseHook_remove()
{
struct MSG_CALL_FUNCTION cf;
cf.fn = msg_callback;
cf.wParam = 0;
cf.lParam = 0;
sendAppMessage(WM_CALL_FUNCTION, 0, (LPARAM)&cf);
}
static LRESULT msg_callback(WPARAM wParam, LPARAM lParam)
{
if (wParam)
{
if (mouseHook.installed)
{
DEBUG_WARN("Mouse hook already installed");
return 0;
}
mouseHook.hook = SetWindowsHookEx(WH_MOUSE_LL, mouseHook_hook, NULL, 0);
if (!mouseHook.hook)
{
DEBUG_WINERROR("Failed to install the mouse hook", GetLastError());
return 0;
}
mouseHook.installed = true;
mouseHook.callback = (MouseHookFn)lParam;
}
else
{
if (!mouseHook.installed)
return 0;
UnhookWindowsHookEx(mouseHook.hook);
mouseHook.installed = false;
}
return 0;
}
static LRESULT WINAPI mouseHook_hook(int nCode, WPARAM wParam, LPARAM lParam)
{
if (nCode == HC_ACTION && wParam == WM_MOUSEMOVE)
{
MSLLHOOKSTRUCT *msg = (MSLLHOOKSTRUCT *)lParam;
if (mouseHook.x != msg->pt.x || mouseHook.y != msg->pt.y)
{
mouseHook.x = msg->pt.x;
mouseHook.y = msg->pt.y;
mouseHook.callback(msg->pt.x, msg->pt.y);
}
}
return CallNextHookEx(mouseHook.hook, nCode, wParam, lParam);
}